/**
  * Read XDR telegrams from a directory and convert it to EtsTetraIcd structures
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Christian Ehrlicher, SLSE, 2016-04-14
  */

#include "tetra_handler_rx.h"
#include <TrainingAreaBase/training_area_telegrams.h>
#include <QJsonDocument>
#include <QJsonObject>
#include <QTimer>

namespace WlsTetra
{

TetraHandlerRx::TetraHandlerRx(const std::shared_ptr<TrainingAreaBase::RecvFromTab> &rxHandler)
  : m_rxHandler(rxHandler)
  , m_ackTimer(new QTimer(this))
  , m_receiveCounter(0)
  , m_bWarnedOnce(false)
  , m_bWaitForInitialAck(true)
  , m_logger(getLogger("TetraHandlerRx"))
{
  m_ackTimer->setInterval(1000);
  m_ackTimer->setSingleShot(false);
  connect(m_ackTimer, &QTimer::timeout,
          this, &TetraHandlerRx::onAckTimeout);

}

bool TetraHandlerRx::handleTelegram(const QByteArray &baJson)
{
  using namespace TrainingAreaBase::TetraIcd;

  if (baJson.isEmpty())
    return false;
  const QJsonObject obj = QJsonDocument::fromJson(baJson).object();
  const QJsonValue sendCounter = obj.value(QStringLiteral("counter"));
  if (!sendCounter.isUndefined())
  {
    if (!sendCounter.isDouble())
      return false;
    m_receiveCounter = sendCounter.toInt(-1);
    DEBUG_LOG(m_logger) << "Incoming telegram with Id " << obj.value(QStringLiteral("type")).toString();
    if (m_receiveCounter < 0)
      return false;
  }
  const QJsonValue typeId = obj.value(QStringLiteral("typeId"));
  if (!typeId.isDouble())
  {
    ERROR_LOG(m_logger) << "Can not read type id: " << baJson;
    return false;
  }
  const QJsonObject data = obj.value(QStringLiteral("data")).toObject();
  try
  {
    switch (typeId.toInt())
    {
    case Constraints<Acknowledge>::id():  // 0
    {
      auto ack = TrainingAreaBase::TetraIcd::Acknowledge::fromJson(data);
      handleAcknowledge(ack.timeStamp, ack.ackCounter);
      break;
    }
    case Constraints<ManipulationReport>::id():  // 2
      rxData(ManipulationReport::fromJson(data));
      break;
    case Constraints<EquipmentOperationalState>::id(): // 7
      rxData(EquipmentOperationalState::fromJson(data));
      break;
    case Constraints<EquipmentConfigurationReport>::id(): // 11
      rxData(EquipmentConfigurationReport::fromJson(data));
      break;
    case Constraints<CtaDataError>::id(): // 12
      rxData(CtaDataError::fromJson(data));
      break;
    case Constraints<PositionReport>::id(): // 21
      rxData(PositionReport::fromJson(data));
      break;
    case Constraints<PositionReportWithMountedEquipments>::id(): // 22
      rxData(PositionReportWithMountedEquipments::fromJson(data));
      break;
    case Constraints<MineTriggered>::id(): // 40
      rxData(MineTriggered::fromJson(data));
      break;
    case Constraints<DefinitionIed>::id(): // 43
      rxData(DefinitionIed::fromJson(data));
      break;
    case Constraints<StateIed>::id(): // 44
      rxData(StateIed::fromJson(data));
      break;
    case Constraints<DusSingleMineState>::id(): // 45
      rxData(DusSingleMineState::fromJson(data));
      break;
    case Constraints<StateChangeDirect>::id(): // 52
      rxData(StateChangeDirect::fromJson(data));
      break;
    case Constraints<StateChangeIndirect>::id(): // 53
      rxData(StateChangeIndirect::fromJson(data));
      break;
    case Constraints<OperatorAction>::id(): // 55
      rxData(OperatorAction::fromJson(data));
      break;
    case Constraints<SelectiveReammunition>::id(): // 56
      rxData(SelectiveReammunition::fromJson(data));
      break;
    case Constraints<StateChange>::id(): // 61
      rxData(StateChange::fromJson(data));
      break;
    case Constraints<FunctionalAreaEntry>::id(): // 63
      rxData(FunctionalAreaEntry::fromJson(data));
      break;
    case Constraints<OpaquePayloadDataIn>::id(): // 71
      rxData(OpaquePayloadDataIn::fromJson(data));
      break;
    case Constraints<SpecialSensorData>::id(): // 92
      rxData(SpecialSensorData::fromJson(data));
      break;
    case Constraints<MinelayerTrailerData>::id(): // 95
      rxData(MinelayerTrailerData::fromJson(data));
      break;
    case Constraints<MinelayerThrowerData>::id(): // 96
      rxData(MinelayerThrowerData::fromJson(data));
      break;
    case Constraints<MinelayerTrailerPosition>::id(): // 97
      rxData(MinelayerTrailerPosition::fromJson(data));
      break;
    case Constraints<EquipmentEvent>::id(): // 185
      rxData(EquipmentEvent::fromJson(data));
      break;
    case Constraints<EquipmentGearAssignment>::id(): // 200
      rxData(EquipmentGearAssignment::fromJson(data));
      break;
    case Constraints<EquipmentGearChargeState>::id(): // 202
      rxData(EquipmentGearChargeState::fromJson(data));
      break;
    case Constraints<BiteReport>::id(): // 205
      rxData(BiteReport::fromJson(data));
      break;
    case Constraints<EquipmentGearEvent>::id(): // 210
      rxData(EquipmentGearEvent::fromJson(data));
      break;
    case Constraints<ParticipantSwVersions>::id(): // 213
      rxData(ParticipantSwVersions::fromJson(data));
      break;
    case Constraints<ParticipantModeReport>::id(): // 231
      rxData(ParticipantModeReport::fromJson(data));
      break;
    case Constraints<ParticipantConfigurationReport>::id(): // 233
      rxData(ParticipantConfigurationReport::fromJson(data));
      break;
    case Constraints<EmergencyCall>::id(): // 1120
      rxData(EmergencyCall::fromJson(data));
      break;
    case Constraints<SanitationRepair>::id(): // 240
      rxData(SanitationRepair::fromJson(data));
      break;
    case Constraints<SanitaryMaterialStockReport>::id(): // 241
      rxData(SanitaryMaterialStockReport::fromJson(data));
      break;
    case Constraints<Sanitation>::id(): // 242
      rxData(Sanitation::fromJson(data));
      break;
    case Constraints<ApacheLaserDesignation>::id():
      rxData(ApacheLaserDesignation::fromJson(data));
      break;
    case Constraints<ProxyConnectionState>::id(): // 2013
      emit tetraConnectionChanged(ProxyConnectionState::fromJson(data).connectedToSystem);
      break;
    case Constraints<ParticipantLicenseChange>::id(): // 2014
      emit participantLicenseChange(ParticipantLicenseChange::fromJson(data));
      break;
    default:
      WARNING_LOG(m_logger) << "Handler for telegram Id " << typeId.toInt()
                            << " not yet implemented (" << baJson << ")";
      return false;
    }
  }
  catch (const std::exception &e)
  {
    WARNING_LOG(m_logger) << "Could not parse json: " << e.what() << " (" << baJson << ")";
    return false;
  }
  return true;
}

void TetraHandlerRx::handleAcknowledge(qint64 timeStamp, int counter)
{
  TRACE_LOG(m_logger) << "Ack from Socket for time " << timeStamp
                      << " with counter " << counter
                      << ", initial: " << m_bWaitForInitialAck;
  if (m_bWaitForInitialAck)
  {
    m_bWaitForInitialAck = false;
    emit initialAckReceived();
    m_ackTimer->start();
  }
}

void TetraHandlerRx::onAckTimeout()
{
  TrainingAreaBase::TetraIcd::Acknowledge ack;
  ack.timeStamp = time(nullptr) * 1000;
  ack.ackCounter = m_receiveCounter;

  emit txData(ack);
}

template<typename T>
void TetraHandlerRx::rxData(const T &data)
{
  if (!m_rxHandler)
  {
    if (!m_bWarnedOnce)
    {
      ERROR_LOG(m_logger) << "No RecvFromTab available";
      m_bWarnedOnce = true;
    }
    return;
  }
  return m_rxHandler->rxData(data);
}

} // namespace WlsTetra